空化試驗 的英文怎麼說

中文拼音 [kōnghuàshìyàn]
空化試驗 英文
cavitation test
  • : 空Ⅰ形容詞(不包含什麼; 裏面沒有東西或沒有內容; 不切實際的) empty; hollow; void Ⅱ名詞1 (天空) s...
  • : 名詞(古代占卜用的器具) astrolabe
  • : 動詞1. (察看; 查考) examine; check; test 2. (產生預期的效果) prove effective; produce the expected result
  • 空化 : cavitation空化機理 cavitation mechanism; 空化噪聲 [聲學] cavitation [aeration] noise; 空化作用 [化學] cavitation
  • 試驗 : trial; experiment; test
  1. In view of bearing capacity of the elastoplastic theory analysis, the author made a comparison between the achieved bearing capacity limit load pi / 4 of round base ( space problem ) and the limit load pi / 4 of bar groundwork foundation design ( plane problem ) from soil mechanics at home and abroad as well as foundation criterion, and explained why the value of formula in present design criterion from soil mechanics is inclined to be conservative. in the light of the author ' s many years experience of vibration test on the spot and the research work of relevant projects, the author worked over the dynamic pile testing of the bearing capacity of foundation and batholith, and gathered the parameter of dynamic analysis and testing. the author also talked over the difficult point of pile foundation design criteria in present batholith engineering world, i. e. the confirmation of batholith bearing capacity of pile end, from the following aspects : a ) confirmation of single axis counter - pressure strength of rock in house ; b ) f. e. m calculation of elastoplastic model ; c ) calculation of soil mechanics ; d ) deep well load test

    然後,對巖土工程領域至今尚未解決,甚至不為人注意的考慮地基變形的地基承載力問題進行了實用的探討,提出了考慮地基變形的地基承載力上程計算方法;對基於彈塑性理論分析的地基承載力國內尚未見報道的間問題得到了圓形基礎(間問題)的承載力界限荷載p _ ( 1 / 4 ) ,並與國內外土力學專著及地基基礎設計規范中的條形基礎(平面問題)的界限荷載p _ ( 1 / 4 ) ,進行了對比,從而定量上解釋了目前設計規范引用土力學承載力公式值偏於保守的這一情況;根據本文作者多年從事現場地基工程振動及相關課題的研究工作,本文以截頭錐模型模擬地基,對地基(巖基)承載力的動測法進行了研究,為各類地基(包括巖基) ,匯總了動力分析和檢測川的參數:針對日前巖土工程界應用樁基設計規范中的難點? ?樁端巖基承載力的確定問題,從巖石室內單軸抗壓強度確定、基於彈塑性模型的有限單元法計算、土力學計算及深斤載荷四方面進行了深入討論;本文作者根據多年現場載荷的工程實踐,對深井荷裝置的核心部分? ?反力裝置,設計了側壁支撐反力加載系統,該加載系統具有實用、簡便、穩定及安個等優點。
  2. The additional flow is formed by the device of dentoid baffle, and the application of the device of dentoid baffle cooperated with a stilling basin has been investigated by systematic model tests. based on the research results, the hydraulic problems such as the characteristics of hydrodynamic pressure and cavitation on the head of the denotid baffle, the properties of flow under the condition that the device of denotid baffle is used with a stilling basin, the hydraulic computation about a stilling basin, the estimation of energy dissipation and its various affection factors, the mechanism and effect of energy dissipation, and distributions of velocity and pressure and aerating concentration, etc, have been analyzed ; the method and step of hydraulic design of device of denotid baffle by which the additional flow is produced has also been proposed

    文中利用齒墩設施實現附加射流,對齒墩設施與消力池聯合應用進行了大量的和系統的模型,分析研究了中低佛勞德數條件下,齒墩墩頭的動水壓強及特性,齒墩設施與消力池聯合應用時的流態特性,消力池的水力計算,消能量的估算及其各種影響因素,消能機理和效果,消力池內的流速、壓強特性,摻氣濃度分佈等水力學問題,並提出了實現附加射流齒墩設施的水力設計方法和步驟。
  3. The theoretical calculation and the experimental result indicated that, after temperature compensation, this kind of new hotwire air mass flowmeter still had high measuring accuracy when the environment temperature had wide range change

    理論計算和的結果表明,經環境溫度補償后,這種新型熱線式氣質量流量計在大范圍環境溫度變下仍具有較高的測量精度。
  4. It will be widely used for the large - scale plantlets production in the near future. the rapid development of the photoautotrophic micropropagation in china requires integrated environment control and air purification simultaneously. in this study, an environmental control system combined with clean technology was developed to control air condition and lighting environment in a closed tissue culture system under artificial lighting

    針對我國光獨立組織培養迅速發展與組培環境綜合調控技術相對落後的問題,本文採用環境控制與氣凈相結合的方法來綜合調控組培室內的物理環境,並對制的環境控制系統進行了研究,期待為工廠組培苗生產提供綜合環境調控的方法與硬體設備。
  5. Based on the terszige and biot theory, initially analyze the economical of this experiment, directly save investment 22 % after compute. after that, computing the settlement of highway foundation, comparing the computing and survey value, the predict formula of vacuum - heaped load combining precompression for designing, this formula show that the distortion law of consolidation progress. at the same time, based on the position and room experiment, analyzes the intension transformation in soft soil and criteria of stabilization control

    在太沙基和比奧固結理論的基礎上,先分析了此次的經濟性,經核算直接節約投資22 ,經濟效益十分明顯;隨后對真堆載聯合預壓法加固軟土路基的沉降量進行了估算,並與實測值作對比分析,得出了真堆載聯合預壓下的沉降量估算公式,能反映「真」加固過程的變規律;同時根據現場和室內,分析了軟土強度的變,以及給出並證了工后沉降控制標準。
  6. Abstract : by analyzing the double meaning of the effect mechanism of water on the oxida tion and spontaneous combustion of residual coal in goaf, and through investigat ion of the results both in laboratory and field practice, it is confirmed that w ater pouring, which is suggested by authors, is a new, economic, efficient and e asy ? to ? operate measure for controlling the spontaneous combustion of the resid ua l coal in goaf

    文摘:通過對水在采區遺煤氧及自燃的作用機理兩重性的分析以及實與現場應用實際效果研究,證實了筆者提出的清水灌注措施是一種新的、經濟有效的、操作簡便的防治采區遺煤自燃的技術措施。
  7. Meanwhile the results also showed that the main cause of which the game reanalysis data being better than the ncep reanalysis data is the game reanalysis data including the sonde data of the game but not the different assimilation modes of the two reanalysis data

    通過對game外場期和非期的game與ncep兩組再分析資料進行對比分析,我們得到, game再分析資料優于ncep再分析資料的主要原因是game的資料同系統中加入了包括hubex等氣象科學的探加密觀測資料。
  8. Vacuum foaming behaviour and test method of foaming vacuity of an impregnating resin

    浸漬樹脂的真特性及其沫方法
  9. In this thesis hydraulic experimental studies and theoretical analyses on the vortex - flow drop shaft were conduced and the following results were accomplished : ( 1 ) in the model test some hydraulic characteristics including the shape of air core in the center of the drop shaft, the radial distribution of water flow velocity and the distribution of pressure on the wall of the drop shaft were measured under the condition of high water head above 250m and large discharge above 1400m3 / s. ( 2 ) a kind of computational method for the spiral water flow in the air core region of drop shaft was discussed and applied and the results agree the experimental data well. ( 3 ) the total ratio of energy dissipation in the drop shaft can reach 90 % and the energy dissipation in every region was discussed quantitatively

    本文通過研究與理論分析對旋流式豎井泄洪洞應用於高水頭、大泄流量情況時存在的一些水力學問題進行了研究和探討,取得以下主要成果:一、結合小灣工程導流洞改建,對高水頭( 252m ) 、大泄流量( 1400m ~ 3 s )條件下旋流式豎井中的水流運動特徵進行了比較全面的測量,包括腔形態、徑向流速分佈及井壁壓強等;二、提出了豎井腔段螺旋水流水力計算方法,其計算結果與實測值吻合良好;三、利用與計算結果,對旋流式豎井的消能機理進行了探討,對豎井各部分的消能能力有了總體認識;四、對豎井下部消力井的合理井深進行了優研究,發現消力井合理深度為0 . 9d左右;五、通過研究,歸納出豎井水流總摻氣量估算方法,為導流洞排氣方案的設計提供了參考依據;六、在高水頭、大流量條件下,豎井腔段下部流速很高,盡管水流螺旋運動引起的離心力可以確保井壁壓強保持正壓,但數依然較低,因此豎井的蝕始終是工程界關注的重大問題。
  10. Research on biomass air gasification in a fluidized - bed reactor

    床反應器中生物質氣氣研究
  11. Rubber, vulcanized - test method of aging by heat and air pressure

    橡膠壓力氣熱老方法
  12. Forced air circulation oven type thermal accelerated aging testers

    強迫氣循環箱式熱加速老
  13. Basically, the predicted cavitation phenomena coincides with those observed in the experiment for a corresponding model turbine, it indicates that the simulation can provide reference for the cavitation performance prediction of other turbines

    數值預測的流動現象與模型水輪機空化試驗中所觀察到的現象基本一致,說明數值模擬結果可為水輪機的性能預測提供參考。
  14. The immunomodulatory effects of crude product were detected by lymphocyte transformation test ( lit ) and plaque forming cell assay ( pfc )

    Kp莢膜糖蛋白粗產品免疫功能檢測採用淋巴細胞轉( mtt法)和溶血,分別測定細胞免疫和體液免疫功能。
  15. In the last chapter, a summary and some expectations for the research work are listed. the visualization support platform for space experiment and simulation has been applied to one space experiment and its demonstration, and some relative space projects simulation, which shows its important practical significance for space experiment and simulation

    與模擬可視支撐平臺已應用於總裝跟蹤與通信研究所某任務和某間任務演示證,航天科技集團12所, 14所和航天科工集團17所相關航天任務模擬系統,具有較大的現實意義和應用價值。
  16. Common test methods for insulating and sheathing materials of electric cables - part 4 : methods specific to polyethylene and polypropylene compounds - section 1 : resistance to environmental stress cracking - wrapping test after thermal ageing in air - measurement of melt flow index - carbon black and or mineral filler content measurement in pe

    電纜絕緣和鎧裝材料通用方法.第4部分:聚乙烯和聚丙烯復合物專用方法.第1節:耐環境應力裂.氣中熱老后的纏繞.溶體流動指數的測量. pe中炭黑和或礦物填充料的含量測量
  17. Second, engine ' s partial velocity characteristics model and universal characteristics model are built the throttle opening is considered as an essential factor to build the model for reflecting the actual working performance of engine. the situation of the throttle opening change is studied, and a simulation method is given to use torque curved surface and vehicle dynamics equation on base of differential approach method. engine test software is developed for the engine no - load test, variable throttle opening test and throttle step change test

    其次,建立了發動機的部分速度特性模型和萬有特性模型;為了更好的反映發動機的實際工作特性,將油門開度作為一個重要參數參與建模,並對發動機變油門的情況進行了研究;結合轉矩曲面和整車動力學方程,採用微區間逼近法確定了發動機變油門過程模擬方法;開發了發動機測控軟體,利用該軟體進行了發動機載響應、發動機不同油門開度和油門階躍變,並對實際數據和數學模型計算數據進行對比;在vc + +平臺上開發了發動機特性模擬模塊,在系統中用軟體實現了變油門控制發動機特性的功能。
  18. Insulated cables and their accessories for power systems. connecting equipment for overhead distributions and services of rated voltage 0, 6 1 kv with at least one insulated core. electrical ageing test

    電力系統用絕緣電纜及其附件.至少帶一個絕緣芯線的額定電壓最高可達0 . 6 1 kv的架配電和裝置用連接設備.電氣老
  19. The assimilation experimentation results indicate that after assimilating radar wind field of small spatial scale, mesoscale and small - scale precipitation prediction can be improved and mesoscale and small - scale information which ca n ' t appear by tradition datum can be gained, which is valuable to analyze the mesoscale and small - scale system structure ; the effect assimilating radar humidity field is n ' t obvious, which is perhaps correlation with precipitation types and assimilating time. the results also show that adding radar humidity field to initial condition at initial time can supply the gap of the regular data in reflecting the mesoscale and small - scale systems, strengthen the humidity in the initial field, and eventually help to improve precipitation. the experiment of assimilating radar wind field and radar humility field at the same time shows that vapor transportation and local vapor divergence play more significant role in causing excessively heavy rain than only high wet center

    結果表明:同間解析度很高的雷達風場后,能改善中小尺度降水的預報效果,並且能夠得到常規觀測資料所不能得到的中小尺度信息,對分析中小尺度系統結構具有重要意義;同雷達濕度場效果不明顯,可能與降水類型和同時刻有關;而直接在初始時刻加入雷達濕度場,補充了常規資料在反映中小尺度系統方面的不足,增強了初始場中的水汽,有利於降水量的增加;同時同雷達風場和雷達濕度場的表明,水汽的輸送和局地的水汽輻合對于產生特大暴雨的貢獻遠大於僅有高濕中心的貢獻。
  20. It is used for aging test for wire, cable, the sheath of rubber ( plastics and artificial leather ) and insulation layer, as well as the other high polymer materials under the specific pressure and temperature in the medium of oxygen and compressed air

    本儀器適用於電線、電纜、橡膠(塑料、人造革)護套及絕緣層以及其它高分子材料在規定的壓力和溫度下,在氧氣和壓縮氣的介質中進行老
分享友人